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Class Information
Number: 340/815.55
Name: Communications: electrical > Visual indication > Transparent or translucent indicator with means for blocking light
Description: Subject matter wherein the perceptible indication is formed by a light source, a transparent or a translucent panel, and a screen or mask to permit selected parts of the light to pass therethrough.










Sub-classes under this class:

Class Number Class Name Patents
340/815.56 Color 34
340/815.57 Having optical device 30


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8648884 Display device Feb. 11, 2014
8643481 Interior rearview mirror assembly with integrated indicator symbol Feb. 4, 2014
8610592 Proximity switch Dec. 17, 2013
8553400 Electronic displays and metal micropatterned substrates having a graphic Oct. 8, 2013
8502695 Light emitting device, illumination device, and photo sensor Aug. 6, 2013
8436788 Method and apparatus for displaying May. 7, 2013
8388187 Method and apparatus for delivering visual information Mar. 5, 2013
8368724 Display apparatus and control method thereof for saving power Feb. 5, 2013
8289304 Display device and method for adjusting the luminance thereof Oct. 16, 2012
8269637 Switchable strobe lens Sep. 18, 2012
8132929 Visual morphing using directionally selective microprisms Mar. 13, 2012
8089351 Instrument cluster lens information, telltails, and lighting Jan. 3, 2012
8049632 Switchable strobe lens Nov. 1, 2011
8026827 Virtual push button switch Sep. 27, 2011
7982630 Digital united information instrument panel for vehicle Jul. 19, 2011
7876235 Vehicle indicator assembly Jan. 25, 2011
7793648 Heating cooker Sep. 14, 2010
7772988 LED light assembly with predetermined distribution pattern and built-in retroreflector Aug. 10, 2010
7673997 Control panel assembly for laundry machine Mar. 9, 2010
7612683 Indication change instrument cluster Nov. 3, 2009
7598885 Control panel of a laundry processing machine Oct. 6, 2009
7581342 Display device Sep. 1, 2009
7548157 Battery backed service indicator aids for field maintenance Jun. 16, 2009
7466220 Head-up display apparatus and mirror unit for the same Dec. 16, 2008
7441931 Lighting system for displays in vehicles Oct. 28, 2008
7400261 Display device, and vehicle-mounted display device and electronic Jul. 15, 2008
7342513 Aircraft interior wireless communications system Mar. 11, 2008
7297928 Indicating instrument for vehicle Nov. 20, 2007
7277024 Remote lighting control device for lamp string Oct. 2, 2007
7259665 Battery backed service indicator aids for field maintenance Aug. 21, 2007
7190268 Multi-angle viewable indicator apparatus Mar. 13, 2007
7161495 Alert for indicating validity of removable memory media Jan. 9, 2007
7076276 Mobile terminal device comprising vibrating component having light effects Jul. 11, 2006
7012544 Address and/or alarm indicator sign Mar. 14, 2006
6756897 Fire receiver Jun. 29, 2004
6750779 Indicating instrument for vehicle Jun. 15, 2004
6492908 Light indication showing functional status or operational condition through light-transmissible enclosure case Dec. 10, 2002
6417779 Display having a transilluminable display panel Jul. 9, 2002
6195016 Fiber optic display system with enhanced light efficiency Feb. 27, 2001
6191700 Luminous signs with sequential variation of images Feb. 20, 2001
5933084 Indicating light, especially for a motor vehicle, having an improved appearance when extinguished Aug. 3, 1999
5920256 Gauge with mechanical indicator and reconfigurable gauge display Jul. 6, 1999
5708410 Vehicle information display Jan. 13, 1998
5633623 Personal indicator with light emission multiplying microprism array May. 27, 1997
5576687 Vehicle information display Nov. 19, 1996
5408187 Electrical fault indicator utilizing a liquid crystal polymer gel dispersion exhibiting two stable contrasting optical states at zero field Apr. 18, 1995
5184116 Back-lightable diffusive display sign Feb. 2, 1993
5150257 High reliability, low intensity back lit SR and NVGC indicator assembly Sep. 22, 1992
5148156 Electronic display device having a plurality of pixel elements Sep. 15, 1992
5111193 Electronic display element for electronic display device May. 5, 1992

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